Johnstown weather

The forecast for Johnstown (United States) for the next 10 days in local time: every 3 hours for the first 6 days, then every 6 hours. See when it will rain, how hard the wind will blow and how warm it will get.

Pennsylvania, United States40.33°N, 78.92°WAmerica/New York (UTC-4)ECMWF: October 25 at 08:00 PM

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Next 48 hours (local time)

10-day forecast

  1. TodayOctober 26Clear sky
    gusts 30 km/h    17°C 5°C
  2. TomorrowOctober 27Partly cloudy
    gusts 16 km/h    18°C 6°C
  3. WednesdayOctober 28Cloudy
    gusts 33 km/h    18°C 8°C
  4. ThursdayOctober 29Clear sky
    gusts 31 km/h    20°C 8°C
  5. FridayOctober 30Partly cloudy
    0.2 mm · gusts 13 km/h    16°C 10°C
  6. SaturdayOctober 31Cloudy
    gusts 6 km/h    19°C 8°C
  7. SundayNovember 1Cloudy
    gusts 15 km/h    21°C 8°C
  8. MondayNovember 2Cloudy
    gusts 44 km/h    19°C 9°C
  9. TuesdayNovember 3Light rain
    1 mm · gusts 54 km/h    22°C 14°C
  10. WednesdayNovember 4Light rain
    6 mm · gusts 31 km/h    16°C 13°C

Over the next 10 days in Johnstown, temperatures will range from 5°C to 22°C, with 7 mm of rain or snow in total. Days with at least 1 mm of precipitation: 2. ECMWF model run from October 25 at 08:00 PM.

Johnstown wind forecast for 10 days

Windiest: Tuesday, November 3 - average 17 km/h, gusts up to 54 km/h. Calmest: tomorrow - average 3 km/h. The wind blows most often from the west.

DayWindGustsDirection
Today8 km/h30 km/h west
Tomorrow3 km/h16 km/h east
Wed, 10/2810 km/h33 km/h southeast
Thu, 10/299 km/h31 km/h southwest
Fri, 10/308 km/h13 km/h west
Sat, 10/314 km/h6 km/h south
Sun, 11/14 km/h15 km/h southeast
Mon, 11/212 km/h44 km/h southeast
Tue, 11/317 km/h54 km/h south
Wed, 11/45 km/h31 km/h west

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Climate through the year

In October, daytime temperatures here average 16°C and nights 5°C, with about 90 mm of rain over the month. The warmest month is July (an average of 27°C by day), the coolest is January (0°C by day, -8°C at night). The wettest month is May (about 105 mm) and the driest is February (66 mm).

MonthDayNightRain
January0°C-8°C69 mm
February1°C-7°C66 mm
March7°C-3°C79 mm
April14°C3°C88 mm
May20°C9°C105 mm
June24°C14°C105 mm
July27°C16°C98 mm
August27°C15°C91 mm
September24°C12°C98 mm
October16°C5°C90 mm
November9°C0°C68 mm
December2°C-5°C84 mm

Long-term averages from NASA POWER data (MERRA-2, 2001-2020 reanalysis, CC BY 4.0). Sea temperature is the average water surface temperature at the nearest grid point over the sea. This is climate, not a forecast for a specific day. NASA POWER

The forecast for Johnstown comes from the ECMWF model and is computed for the point 40.33°N, 78.92°W. Temperature is measured 2 m above the ground, wind at 10 m. Gusts are the strongest bursts of wind within each 3-hour period.

Source: ECMWF IFS model (CC BY 4.0), data modified. A forecast is a model result, not a measurement. ECMWF

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